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Growth Factors, Collagen Support, and Mechanism-Based Comparisons GHK-Cu is often discussed alongside growth factors, collagen-supporting ingredients, hyaluronic acid, retinoids, antioxidants, and other cosmetic actives because many target visible skin aging or repair biology
However, higher doses increase cost without established evidence of proportionally increased benefit
HEXAGEN does not endorse human use of any compound
Inject subcutaneously into fatty tissue, typically the abdomen for better absorption
Keep a short food-and-symptom log for two weeks, then look for patterns
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